Portable television set



FIG. 1 is a front elevational view of a portable television set showing my new design;

FIG. 2 is a top plan view thereof, the bottom plan view being identical to the top plan view;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a top, front and right side perspective view thereof. 

The ornamental design for a portable television set, as shown and described. 